Before deploying MemcacheQ, make sure that following packages have been installed:

Berkeley DB 4.7 or later

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How to install BerkekeyDB:

$tar xvzf db-4.7.25.tar.gz
$cd db-4.7.25/
$cd build_unix/
$sudo make install

libevent 1.4.x or later

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How to install libevent:

$tar xvzf libevent-1.4.x-stable.tar.gz
$cd libevent-1.4.x-stable
$sudo make install

On a linux, load .so file by add two line in /etc/


Then, run 'ldconfig'.

Building MemcacheQ

On a *nix, just following:

$tar xvzf memcacheq-0.2.x.tar.gz
$cd memcacheq-0.2.x
$./configure --enable-threads
$sudo make install

Start the daemon

For example:

memcacheq -d -r -H /data1/memcacheq -N -R -v -L 1024 -B 1024 > /data1/mq_error.log 2>&1

Notice: Because MemcacheQ is using fixed-length storage, so you should use '-B' option to specify the max length of your message. Default is 1024 bytes. Any message that shorter than the length you specified will be padded with '0x20', the space character. A message includes following bytes:

<your queue name bytes> + <message metadata(9 ~ 20+ bytes)> + <your message body bytes>

use "-h" option to see more configures.

Have fun :)